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LP8345ILD-1.8 Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LP8345ILD-1.8
Description  Low Dropout, Low IQ, 500mA CMOS Linear Regulator
Download  13 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP8345ILD-1.8 Datasheet(HTML) 5 Page - National Semiconductor (TI)

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LP8345C Electrical Characteristics (Continued)
Unless otherwise specified all limits guaranteed for V
IN =VO+ 1V, CIN =COUT = 10µF, TJ = 25˚C. Boldface limits apply over
the full operating temperature range of T
J = 0˚C to 125˚C
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
Units
I
LIMIT
Foldback Current Limit
V
IN −VOUT >5V
450
mA
V
IN −VOUT <4V
1200
Ripple Rejection Ratio
V
IN (dc) = VOUT +2V
V
IN (ac) = 1VP-P @ 120Hz
48
55
dB
T
SD
Thermal Shutdown
Temp.
Thermal Shutdown Hyst.
160
10
˚C
ADJ Input Leakage
Current
V
ADJ = 1.5V or 0V
±0.01
±100
nA
V
OUT Leakage Current
LP8345-ADJ
ADJ = OUT, V
OUT = 2V, VIN = 10V
10
µA
LP8345-1.8, V
OUT = 2.5V, VIN = 10V
10
LP8345-2.5, V
OUT = 3.5V, VIN = 10V
10
LP8345-3.3, V
OUT = 4V, VIN = 10V
10
LP8345-5.0, V
OUT = 6V, VIN = 10V
10
e
n
Output Noise
10Hz to 10kHz, R
L =1k
Ω,C
OUT = 10µF
250
µVrms
LP8345I Electrical Characteristics
Unless otherwise specified all limits guaranteed for V
IN =VO+ 1V, CIN =COUT = 10µF, TJ = 25˚C. Boldface limits apply over
the full operating temperature range of T
J = −40˚C to 125˚C
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
Units
V
IN
Input Voltage
LP8345-ADJ,1.8, 2.5
LP8345-3.3, 5.0
2.7
10
10
V
V
OUT
Output Voltage
LP8345-ADJ, ADJ = OUT
I
OUT = 10mA, VIN = 2.7V, TJ = 25˚C
100µA
≤I
OUT
≤ 500mA, 2.7V ≤V
IN
≤V
OUT +4V
1.231
1.213
1.250
1.269
1.288
V
LP8345-1.8
I
OUT = 10mA, VIN = 2.8V, TJ = 25˚C
100µA
≤I
OUT
≤500mA, 2.8V ≤V
IN
≤6V
1.773
1.746
1.800
1.827
1.854
V
LP8345-2.5
I
OUT = 10mA, VIN = 3.5V, TJ = 25˚C
100µA
≤I
OUT
≤500mA, 3.5V ≤V
IN
≤6.5V
2.463
2.425
2.500
2.538
2.575
V
LP8345-3.3
I
OUT = 10mA, VIN = 4.3V TJ = 25˚C
100µA
≤I
OUT
≤500mA, 4.3V ≤V
IN
≤7.5V
3.250
3.201
3.300
3.350
3.399
V
LP8345-5.0
I
OUT = 10mA, VIN = 6V, TJ = 25˚C
100µA
≤I
OUT
≤500mA, 6V ≤V
IN
≤9V
4.925
4.850
5.000
5.075
5.150
V
∆V
O
Load Regulation
LP8345-ADJ, ADJ=OUT
I
OUT = 1mA to 500mA, VIN = 2.7V
6
20
mV
LP8345-1.8
I
OUT = 1mA to 500mA, VIN = 2.8V
7
20
LP8345-2.5
I
OUT = 1mA to 500mA, VIN = 3.5V
9
30
LP8345-3.3
I
OUT = 1mA to 500mA, VIN = 4.3V
12
35
LP8345-5.0
I
OUT = 1mA to 500mA, VIN =6V
14
40
www.national.com
5


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